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Merge pull request #5884 from alalek:cmake_vars

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This commit is contained in:
Maksim Shabunin 2016-01-17 09:43:17 +00:00
commit 68eab8ea00
2 changed files with 22 additions and 3 deletions
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6
CMakeLists.txt
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@ -98,6 +98,8 @@ endif()
include(cmake/OpenCVUtils.cmake)
ocv_cmake_eval(DEBUG_PRE ONCE)
ocv_clear_vars(OpenCVModules_TARGETS)
# ----------------------------------------------------------------------------
@ -1254,3 +1256,7 @@ endif()
# ----------------------------------------------------------------------------
include(cmake/OpenCVPackaging.cmake)
# This should be the last command
ocv_cmake_dump_vars("" TOFILE "CMakeVars.txt")
ocv_cmake_eval(DEBUG_POST ONCE)

19
cmake/OpenCVUtils.cmake
View File

@ -1,11 +1,15 @@
include(CMakeParseArguments)
# Debugging function
function(ocv_cmake_dump_vars)
set(VARS "")
get_cmake_property(_variableNames VARIABLES)
cmake_parse_arguments(DUMP "" "TOFILE" "" ${ARGN})
set(regex "${DUMP_UNPARSED_ARGUMENTS}")
get_cmake_property(_variableNames VARIABLES)
set(VARS "")
string(TOLOWER "${regex}" regex_lower)
foreach(_variableName ${_variableNames})
if(_variableName MATCHES "${regex}")
string(TOLOWER "${_variableName}" _variableName_lower)
if(_variableName MATCHES "${regex}" OR _variableName_lower MATCHES "${regex_lower}")
set(VARS "${VARS}${_variableName}=${${_variableName}}\n")
endif()
endforeach()
@ -16,6 +20,15 @@ function(ocv_cmake_dump_vars)
endif()
endfunction()
function(ocv_cmake_eval var_name)
if(DEFINED ${var_name})
file(WRITE "${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake" ${${var_name}})
include("${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake")
endif()
if(";${ARGN};" MATCHES ";ONCE;")
unset(${var_name} CACHE)
endif()
endfunction()
# Search packages for host system instead of packages for target system
# in case of cross compilation thess macro should be defined by toolchain file